package com.xujinchen.operator;



public class Demo02 {
    public static void main(String[] args) {


        long a = 12121212121212L;
        int b = 123;
        short c = 10;
        byte d = 8;

        System.out.println(a + b + c+d);//long
        System.out.println(b + c+d);//int
        System.out.println(c+d);//int

    }
}